AU9795498A - Process for removing silica from wastewater - Google Patents

Process for removing silica from wastewater

Info

Publication number
AU9795498A
AU9795498A AU97954/98A AU9795498A AU9795498A AU 9795498 A AU9795498 A AU 9795498A AU 97954/98 A AU97954/98 A AU 97954/98A AU 9795498 A AU9795498 A AU 9795498A AU 9795498 A AU9795498 A AU 9795498A
Authority
AU
Australia
Prior art keywords
wastewater
removing silica
silica
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU97954/98A
Inventor
Stephen D. Allen
Leonard R. Lyman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microbar Inc
Original Assignee
Microbar Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/965,574 external-priority patent/US5965027A/en
Application filed by Microbar Inc filed Critical Microbar Inc
Publication of AU9795498A publication Critical patent/AU9795498A/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/16—Feed pretreatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/583—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing fluoride or fluorine compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/346—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from semiconductor processing, e.g. waste water from polishing of wafers

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
AU97954/98A 1997-11-06 1998-10-09 Process for removing silica from wastewater Abandoned AU9795498A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08965574 1997-11-06
US08/965,574 US5965027A (en) 1996-11-26 1997-11-06 Process for removing silica from wastewater
PCT/US1998/021337 WO1999024364A1 (en) 1997-11-06 1998-10-09 Process for removing silica from wastewater

Publications (1)

Publication Number Publication Date
AU9795498A true AU9795498A (en) 1999-05-31

Family

ID=25510161

Family Applications (1)

Application Number Title Priority Date Filing Date
AU97954/98A Abandoned AU9795498A (en) 1997-11-06 1998-10-09 Process for removing silica from wastewater

Country Status (6)

Country Link
EP (1) EP1042231A4 (en)
JP (1) JP3470130B2 (en)
KR (1) KR100385706B1 (en)
AU (1) AU9795498A (en)
TW (1) TW425376B (en)
WO (1) WO1999024364A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3557197B2 (en) * 2002-05-17 2004-08-25 三洋電機株式会社 Filtration method of colloid solution
JP4177369B2 (en) * 2005-05-09 2008-11-05 株式会社関西都市居住サービス A method for treating silica-containing water and an open circulation type cooling water system using the treated water.
CN101198552B (en) * 2005-08-24 2011-12-28 株式会社德山 Method of treating silicon powder-containing drainage water
JP5731794B2 (en) * 2010-11-02 2015-06-10 アクアス株式会社 Coagulation treatment method for high-concentration silica-containing water
JP7213125B2 (en) * 2019-04-08 2023-01-26 オルガノ株式会社 Coagulation-sedimentation device for water containing silica and coagulation-sedimentation treatment method

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188291A (en) * 1978-04-06 1980-02-12 Anderson Donald R Treatment of industrial waste water
US4207183A (en) * 1978-05-11 1980-06-10 Resources Conservation Company Prevention of solute deposition fouling in membrane processes
JPS6458304A (en) * 1987-08-28 1989-03-06 Kurita Water Ind Ltd Removing method for silica contained in pickling waste liquid
JPH03288532A (en) * 1990-04-02 1991-12-18 Fuji Photo Film Co Ltd Micro-filter membrane cartridge filter
JP3082263B2 (en) * 1991-02-08 2000-08-28 エヌオーケー株式会社 How to remove colloidal silica
JP2792354B2 (en) * 1991-07-23 1998-09-03 ダイキン工業株式会社 Polytetrafluoroethylene porous membrane
JP2938270B2 (en) * 1992-04-27 1999-08-23 日本製紙株式会社 Waste paper pulp wastewater treatment method
US5344572A (en) * 1992-07-10 1994-09-06 Wadhawan Satish C Method for treating waste pickle liquor
US5286390A (en) * 1992-09-30 1994-02-15 Calgon Corporation Method for treating deink wastes using melamine aldehyde-type polymers
US5415782A (en) * 1993-11-22 1995-05-16 Nalco Chemical Company Method for the alteration of siliceous materials from bayer process liquors
US5413719A (en) * 1994-01-18 1995-05-09 Nalco Chemical Company Fluorescent tracer in a water treatment process
JP3003500B2 (en) * 1994-04-28 2000-01-31 ダイキン工業株式会社 Polytetrafluoroethylene composite porous membrane
US5609765A (en) * 1994-05-19 1997-03-11 Bowman; Ronald W. Steam stripping method for the softening of water
US5620629A (en) * 1995-09-28 1997-04-15 Nalco Chemical Company Colloidal silica/polyelectrolyte blends for natural water clarification
JP3348341B2 (en) * 1996-07-08 2002-11-20 ソニー株式会社 Polymer flocculant and wastewater treatment method
JP3340029B2 (en) * 1996-07-22 2002-10-28 株式会社荏原製作所 Method of treating wastewater containing SiO2
JPH1076277A (en) * 1996-09-04 1998-03-24 Lion Corp Chemical composition for water treatment and water treatment method using the same
JPH10118665A (en) * 1996-10-15 1998-05-12 Kurita Water Ind Ltd Treatment of nh4 type cmp waste solution
JPH10180008A (en) * 1996-12-26 1998-07-07 Kurita Water Ind Ltd Membrane separation device

Also Published As

Publication number Publication date
EP1042231A1 (en) 2000-10-11
JP2001522720A (en) 2001-11-20
TW425376B (en) 2001-03-11
KR20010031846A (en) 2001-04-16
EP1042231A4 (en) 2002-07-17
WO1999024364A1 (en) 1999-05-20
KR100385706B1 (en) 2003-05-27
JP3470130B2 (en) 2003-11-25

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase